参数资料
型号: DS21554LBN+
厂商: Maxim Integrated Products
文件页数: 43/124页
文件大小: 0K
描述: IC TXRX E1 5V 100-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 90
功能: 单芯片收发器
接口: E1,HDLC,J1,T1
电路数: 1
电源电压: 4.75 V ~ 5.25 V
电流 - 电源: 75mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
包括: 远程和 AIS 警报检测器 / 发生器
DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
25 of 124
4. PARALLEL PORT
The DS21354/DS21554 are controlled through either a nonmultiplexed (MUX = 0) or a multiplexed
(MUX = 1) bus by an external microcontroller or microprocessor. The device can operate with either Intel
or Motorola bus timing configurations. If the BTS pin is tied low, Intel timing is selected; if tied high,
Motorola timing is selected. All Motorola bus signals are listed in parentheses (). See the timing diagrams
in Section 18 for more details.
4.1.
Register Map
Table 4-1. Register Map Sorted by Address
ADDRESS
TYPE
REGISTER
NAME
00
R
BPV or Code Violation Count 1
VCR1
01
R
BPV or Code Violation Count 2
VCR2
02
R
CRC4 Error Count 1/FAS Error Count 1
CRCCR1
03
R
CRC4 Error Count 2
CRCCR2
04
R
E-Bit Count 1/FAS Error Count 2
EBCR1
05
R
E-Bit Count 2
EBCR2
06
R/W
Status 1
SR1
07
R/W
Status 2
SR2
08
R/W
Receive Information
RIR
09
Not used
(set to 00h)
0A
Not used
(set to 00h)
0B
Not used
(set to 00h)
0C
Not used
(set to 00h)
0D
Not used
(set to 00h)
0E
Not used
(set to 00h)
0F
R
Device ID
IDR
10
R/W
Receive Control 1
RCR1
11
R/W
Receive Control 2
RCR2
12
R/W
Transmit Control 1
TCR1
13
R/W
Transmit Control 2
TCR2
14
R/W
Common Control 1
CCR1
15
R/W
Test 1
TEST1 (set to 00h)
16
R/W
Interrupt Mask 1
IMR1
17
R/W
Interrupt Mask 2
IMR2
18
R/W
Line Interface Control Register
LICR
19
R/W
Test 2
TEST2 (set to 00h)
1A
R/W
Common Control 2
CCR2
1B
R/W
Common Control 3
CCR3
1C
R/W
Transmit Sa Bit Control
TSaCR
1D
R/W
Common Control 6
CCR6
1E
R
Synchronizer Status
SSR
1F
R
Receive Non-Align Frame
RNAF
20
R/W
Transmit Align Frame
TAF
21
R/W
Transmit Non-Align Frame
TNAF
22
R/W
Transmit Channel Blocking 1
TCBR1
23
R/W
Transmit Channel Blocking 2
TCBR2
24
R/W
Transmit Channel Blocking 3
TCBR3
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